sort each statement below into the appropriate bin based on whether it is something that scientists knew about pluto or its moon charon before the new horizons flyby, is something learned as a result of the new horizons flyby, or is something that seems possible from the new horizons mission but for which we'll need additional data to establish it with certainty.

Answers

Answer 1

Pluto and Charon are tidally locked: This is something that scientists knew about Pluto and its moon Charon before the New Horizons flyby. Tidal locking occurs when an object's orbital period is the same as its rotational period, meaning that the same side of the object is always facing the other.

In this case, the same sides of Pluto and Charon are always facing each other as they orbit one another. The likelihood of this happening was predicted before the mission based on the distance between Pluto and Charon and the gravitational forces between them, and the New Horizons flyby confirmed this to be the case.

Charon has a tenuous atmosphere: This is something that was learned as a result of the New Horizons flyby. Before the mission, scientists suspected that Charon may have an atmosphere, but data from New Horizons showed that the atmosphere is much more substantial than expected.

The flyby revealed that the atmosphere is composed mostly of nitrogen and methane, and is about 100,000 times thinner than Earth's atmosphere. Additional data is needed to establish the atmosphere's exact composition and other details.

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Related Questions

The Aleutian and Hawaiian Islands form from completely different processes related to Plate Tectonics. Using Plate Tectonic theory and correct technical terms, explain how they form.

Answers

The Aleutian and Hawaiian Islands form from two different processes related to Plate Tectonics. The Aleutian Islands are formed by the subduction of the Pacific plate beneath the North American plate at the Aleutian Trench. This process is also known as a convergent plate boundary.

During subduction, the oceanic lithosphere is consumed and in the process magma is produced and rises to the surface. This magma then cools and hardens to form the Aleutian Islands.

The Hawaiian Islands are formed by a process known as hotspot volcanism. Hotspots are stationary mantle plumes that rise from the mantle and melt the lithosphere.

This process is also known as a divergent plate boundary. The Hawaiian hotspot is located beneath the Pacific plate and has created the Hawaiian Ridge of islands, as the Pacific plate has moved over it.

The molten material erupts to the surface to create new volcanoes and as the older volcanoes move away from the hotspot, they become inactive and form islands.

Both processes create volcanic islands, but the way in which the volcanoes form differs between the Aleutian and Hawaiian Islands. The Aleutian Islands are formed through subduction while the Hawaiian Islands are formed through hotspot volcanism.

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What are gases that accumulate in the atmosphere and contribute to global warming?

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The gases that accumulate in the atmosphere and contribute to global warming are known as greenhouse gases. They trap heat from the sun and cause the Earth's temperature to increase.

What is global warming?

Global warming refers to the phenomenon of Earth's average surface temperature increasing due to human activities that increase the concentration of greenhouse gases in the atmosphere. Greenhouse gases such as carbon dioxide, methane, and water vapor trap heat in the Earth's atmosphere, causing global temperatures to rise. This is referred to as the greenhouse effect.

What is the greenhouse effect?

The greenhouse effect is a natural process that occurs when certain gases in the Earth's atmosphere, referred to as greenhouse gases, trap heat from the sun, preventing it from escaping into space. As a result, the Earth's temperature is kept within a range that is conducive to life as we know it.

However, human activities such as burning fossil fuels, deforestation, and industrial processes have led to an increase in the concentration of greenhouse gases in the atmosphere, intensifying the greenhouse effect and causing global warming. This is a significant concern, as global warming can have a range of negative impacts on the environment and human societies.

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